Base | Representation |
---|---|
bin | 1011111101001… |
… | …11100010111001 |
3 | 20222201211002022 |
4 | 11332213202321 |
5 | 201134112420 |
6 | 13541444225 |
7 | 2325354461 |
oct | 576474271 |
9 | 228654068 |
10 | 100300985 |
11 | 51687684 |
12 | 29710675 |
13 | 17a1a7c5 |
14 | d46cba1 |
15 | 8c13c25 |
hex | 5fa78b9 |
100300985 has 4 divisors (see below), whose sum is σ = 120361188. Its totient is φ = 80240784.
The previous prime is 100300939. The next prime is 100301017. The reversal of 100300985 is 589003001.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 19642624 + 80658361 = 4432^2 + 8981^2 .
It is a cyclic number.
It is not a de Polignac number, because 100300985 - 210 = 100299961 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10030094 + ... + 10030103.
It is an arithmetic number, because the mean of its divisors is an integer number (30090297).
Almost surely, 2100300985 is an apocalyptic number.
It is an amenable number.
100300985 is a deficient number, since it is larger than the sum of its proper divisors (20060203).
100300985 is an equidigital number, since it uses as much as digits as its factorization.
100300985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20060202.
The product of its (nonzero) digits is 1080, while the sum is 26.
The square root of 100300985 is about 10015.0379430135. The cubic root of 100300985 is about 464.6240998008.
Adding to 100300985 its reverse (589003001), we get a palindrome (689303986).
The spelling of 100300985 in words is "one hundred million, three hundred thousand, nine hundred eighty-five".
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